228717379 has 8 divisors (see below), whose sum is σ = 249679872. Its totient is φ = 207783240.

The previous prime is 228717361. The next prime is 228717389. The reversal of 228717379 is 973717822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228717379 - 2⁹ = 228716867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228717319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12042 + ... + 24544.

It is an arithmetic number, because the mean of its divisors is an integer number (31209984).

Almost surely, 2^228717379 is an apocalyptic number.

228717379 is a deficient number, since it is larger than the sum of its proper divisors (20962493).

228717379 is a wasteful number, since it uses less digits than its factorization.

228717379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14177.

The product of its digits is 296352, while the sum is 46.

The square root of 228717379 is about 15123.4050068098. The cubic root of 228717379 is about 611.5515273860.

The spelling of 228717379 in words is "two hundred twenty-eight million, seven hundred seventeen thousand, three hundred seventy-nine".